Global Patent Index - EP 1875143 B1

EP 1875143 B1 20100113 - A METHOD FOR CONTROLLING A REFRIGERATION SYSTEM

Title (en)

A METHOD FOR CONTROLLING A REFRIGERATION SYSTEM

Title (de)

VERFAHREN ZUR STEUERUNG EINES KÜHLSYSTEMS

Title (fr)

PROCEDE DE COMMANDE DE SYSTEME DE REFRIGERATION

Publication

EP 1875143 B1 (EN)

Application

EP 06706120 A

Priority

  • DK 2006000149 W
  • DK PA200500411 A

Abstract (en)

[origin: WO2006097106A1] A method for controlling a refrigeration system comprising a variable compressor capacity, and at least two refrigeration entities 4, e.g. display cases. Suction pressure is controlled by means of permitting/preventing a flow of refrigerant into evaporator of one or more refrigeration entities 4. Compressor capacity is controlled to match a desired capacity level and based on a signal derived from one or more properties of the one or more refrigeration entities 4, said signal reflecting a possible difference between the current compressor capacity and a current refrigeration demand of the refrigeration system. Reduces wear on compressors because switching them ON/OFF is avoided to the largest extent possible. Prevents problems relating to conflicting control strategies due to control parameters, e.g. suction pressure, being controlled by means of two or more controllable parts, e.g. compressors and flow of refrigerant into refrigeration entities.

IPC 8 full level

F25B 49/02 (2006.01); F25B 5/02 (2006.01)

CPC (source: EP)

F25B 49/022 (2013.01); F25B 5/02 (2013.01); F25B 2400/075 (2013.01); F25B 2400/22 (2013.01); F25B 2600/0251 (2013.01); F25B 2600/0272 (2013.01); F25B 2600/21 (2013.01); F25B 2600/2513 (2013.01); F25B 2600/2519 (2013.01); F25B 2700/1931 (2013.01); F25B 2700/1933 (2013.01); F25B 2700/21171 (2013.01)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

WO 2006097106 A1 20060921; AT 441821 T 20090915; AT 455281 T 20100115; CN 101142455 A 20080312; CN 101142455 B 20101208; DE 602006008990 D1 20091015; DE 602006011729 D1 20100304; EP 1875143 A1 20080109; EP 1875143 B1 20100113; EP 1980805 A1 20081015; EP 1980805 B1 20090902; US 2008276636 A1 20081113; US 8302415 B2 20121106

DOCDB simple family (application)

DK 2006000149 W 20060315; AT 06706120 T 20060315; AT 08157332 T 20060315; CN 200680008698 A 20060315; DE 602006008990 T 20060315; DE 602006011729 T 20060315; EP 06706120 A 20060315; EP 08157332 A 20060315; US 90882306 A 20060315